Lionel Messi will be the cynosure as Barcelona face off against Celtic in a preseason friendly

Barcelona begin their International Champions Cup campaign with a match against the Scottish champions Celtic in Dublin on Saturday. Luis Enrique's men have already made some interesting moves in the transfer market, but with the likes of Lionel Messi and Luis Suarez set to take the field in Ireland, the superstars will be the focus.

Messi grabbed the headlines at the end of last month by announcing his retirement from international football. While there is still a chance of the prolific forward changing his mind, Messi will want to bring the focus back on Barcelona and his performances in club colours.

The Argentine is expected to play some part in this International Champions Cup game against Celtic, while Enrique will have to wait a while to give the bulk of his summer signings so far a run-out. Samuel Umtiti, Lucas Digne and Andre Gomes are all on a break after their respective countries reached the final of Euro 2016. Andre Iniesta, Gerard Pique, Jordi Alba, Sergio Busquets and Iva Rakitic are also not expected to feature.

However, Barcelona fans will not be too worried, and neither will the Irish ones, considering both Messi, bleached blonde haircut and all, and Suarez are likely to play some part in the game.

While Barca are still very much in preseason, the same cannot be said of Celtic, who have already played three competitive fixtures. Brendan Rodgers' team avoided an upset against Lincoln Red Imps of Gibraltar, before managing a 1-1 draw against FC Astana in the second round of the Champions League qualifiers.

A crucial second leg at Celtic Park awaits, and Rodgers will hope to get his players ready for that match by going toe-to-toe with one of the best teams in the world.

"It's a game where we can see where we are at, in terms of performance levels, playing against a top side," John Kennedy, the first team coach of Celtic, said. "This is where you test yourself and see exactly where you are at. It gives you a marker.

"We have done a lot of good work preseason against different oppositions, but we are going up a different level now. We can see, individually, where players are at and more importantly, collectively, as a team, how we can handle playing against that calibre of side.

"It's a great test for us and there will be a great atmosphere over there as well."

Where to Watch Live

The match is set to begin at 6 p.m. BST (7 p.m. CET, 10.30 p.m. IST, 1 p.m. ET). Below is the TV and live streaming information from around the world.